Home / 109,059.11-163,557.05-42,484.40

Finding the Fourth Proportional to 109,059.11, 163,557.05 and 42,484.40

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Solution

The fourth proportional to 109,059.11, 163,557.05 and 42,484.40 is: 63,714.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,059.11 : 163,557.05 = 42,484.40 : x
  2. Step 2: Convert to fraction form
    109,059.11/163,557.05 = 42,484.40/x
  3. Step 3: Cross multiply
    109,059.11x = 163,557.05 × 42,484.40
  4. Step 4: Simplify right side
    109,059.11x = 6,948,622,104.81
  5. Step 5: Solve for x
    x = 6,948,622,104.81/109,059.11
  6. Step 6: Final answer
    x = 63,714.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.